Technical Specifications

Processor and Memory
- ARM CPU: RK3399 (Cortex-A72 Dual-core + Cortex-A53 Quad-core)
- GPU: Mali-T860MP4
- RAM: 4GB LPDDR3
- Storage: 32GB eMMC
Connectivity
- Ethernet x1 (RJ45 connector)
- Wi-Fi (802.11b/g/n)
- Bluetooth 4.1 (BLE)
Display and Touchscreen
- Display: 5.5 inches, 1280×720 resolution
- Touchscreen: Capacitive multi-touch
GPIO
- 40-pin header with Raspberry Pi compatible pinout
- SPI x 1
- I²C x 2
- UART x 1
- SDIO x 1
USB Ports
- USB 3.1 Gen1 x 2 (each has 5 Gbps bandwidth)
- USB 2.0 x 2 (as pin headers)
- USB type-C x1 (for power and flashing OS)
Audio
- Microphone: Stereo microphone array
- Speaker: Built-in speaker
- Headphone jack: 3.5mm
Camera Interface
- MIPI CSI x 1
Additional Interfaces
- NVMe M.2 interface x 1
- 10-bit ADC channels x 3 (via 4-pin header)
Power Supply
- DC 5V (via USB type-C cable)
- POE (DC 48V via RJ45 connector)
Power ConsumptionMeasured with 5V/2.5A DC power adapter:
- Quiescent current (newly powered, or stay for a while after shutdown): < 15mA
- Idle current (after boot up and display desktop): ~ 0.6A
- Normal usage (e.g. watching Youtube fullscreen): 0.8 ~ 1.3A
- Fully loaded (stress test with "s-tui" command): ~ 1.6A

technical-specifications